I would have to say the tried and true 98. But I have to say that I like the project salvo of them all the 98 and salvo have a ton of upgrades available for each of them. However I do like how the A5 and X7 are coming along like the A5 quick thread barrels.

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Project Salvo cyclone feed w/ offset and tac cap, i had an Alpha black E-grip but switched to a response trigger much better, tac bi pod, 1" riser, 45mm red dot scope, remote system and CP tactical 16" ported barrel w/ apex tip,back up gun is a Nelspot 007 and Splatmaster in original condition bought in 1984.
new to the collection:
Tippmann A-5,Tippmann 98c
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